public class Std
{

public static Boolean is(Object v,Object t)

{
return false;
}

public static String string(Object s)

{
return "";
}

public static int parseInt(String x)

{
{
return 0;
}
}

public static float parseFloat(String x)

{
return 0;
}

public static int random(int x)

{
return 0;
}


}
